Poste mal den gesamten Stacktrace, daraus sollte ersichtlich sein, warum diese Exception geworfen wird. Vielleicht greifst du einfach nur auf graphische Komponenten, etc. zu, ohne dass das beabsichtigt ist.
ich bekomme folgendes :
Java:
SCHWERWIEGEND: java.awt.HeadlessException
javax.faces.el.EvaluationException: java.awt.HeadlessException
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:150)
at javax.faces.component.UICommand.broadcast(UICommand.java:325)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:287)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:401)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:268)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:17)
at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.renderCyclePartial(ReceiveSendUpdates.java:64)
at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.service(ReceiveSendUpdates.java:40)
at com.icesoft.faces.webapp.http.core.ViewBoundServer.service(ViewBoundServer.java:65)
at com.icesoft.faces.webapp.http.core.RequestVerifier.service(RequestVerifier.java:44)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer$Matcher.serviceOnMatch(PathDispatcherServer.java:50)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:19)
at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)
at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)
at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:139)
at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:53)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher$Matcher.serviceOnMatch(PathDispatcher.java:52)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:29)
at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:82)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:46)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.awt.HeadlessException
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159)
at java.awt.Window.<init>(Window.java:431)
at java.awt.Frame.<init>(Frame.java:403)
at javax.swing.JFrame.<init>(JFrame.java:202)
at tabbedpane.TabbedPaneHauptauswahl.<init>(TabbedPaneHauptauswahl.java:48)
at tabbedpane.TabbedPaneHauptauswahl.getHauptfenster(TabbedPaneHauptauswahl.java:147)
at tabbedpane.MainClass.main(MainClass.java:13)
at de.myicefaces.Mitarbeiter.showGui(Mitarbeiter.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
... 34 more
06.07.2012 17:24:40 org.apache.catalina.core.StandardWrapperValve invoke
SCHWERWIEGEND: Servlet.service() for servlet Blocking Servlet threw exception
javax.faces.el.EvaluationException: java.awt.HeadlessException
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:150)
at javax.faces.component.UICommand.broadcast(UICommand.java:325)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:287)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:401)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:268)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:17)
at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.renderCyclePartial(ReceiveSendUpdates.java:64)
at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.service(ReceiveSendUpdates.java:40)
at com.icesoft.faces.webapp.http.core.ViewBoundServer.service(ViewBoundServer.java:65)
at com.icesoft.faces.webapp.http.core.RequestVerifier.service(RequestVerifier.java:44)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer$Matcher.serviceOnMatch(PathDispatcherServer.java:50)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:19)
at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)
at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)
at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:139)
at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:53)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher$Matcher.serviceOnMatch(PathDispatcher.java:52)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:29)
at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:82)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:46)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.awt.HeadlessException
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159)
at java.awt.Window.<init>(Window.java:431)
at java.awt.Frame.<init>(Frame.java:403)
at javax.swing.JFrame.<init>(JFrame.java:202)
at tabbedpane.TabbedPaneHauptauswahl.<init>(TabbedPaneHauptauswahl.java:48)
at tabbedpane.TabbedPaneHauptauswahl.getHauptfenster(TabbedPaneHauptauswahl.java:147)
at tabbedpane.MainClass.main(MainClass.java:13)
at de.myicefaces.Mitarbeiter.showGui(Mitarbeiter.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
... 34 more